blue, white white white white
Bud throws his suitcase to Bugs (already on the train) and Bud starts running for the train when suddenly his blue flyer flys out of his suitcase, so Bud stops to try to catch it and it magically lands in his hand, because the flyer fell he missed the train and Bugs threw back bud's suitcase, and went on to Chicago.
Bud believes the man on the flyer is his father because the man in the flyer shares his father's name, Herman E. Calloway. Bud also carries a flyer advertising Calloway's jazz band and believes his father might be affiliated with this band.
a flyer of his dad (grandpa)
Blue Flyer was created in 1934.
Herman E. Calloway was able to recognize Bud's keepsake flyer that was handed out by Bud's mother. He also noticed the specific writing on the flyer that matched his own handwriting, which hinted at their familial connection. Additionally, Herman recognized the photo of Bud's mother on the flyer, leading him to realize that Bud was his grandson.
because the man on the flyer is his father
The cast of A Flyer in Flapjacks - 1917 includes: Bud Duncan as Bud Lloyd Hamilton as Ham Henry Murdock as Pancratius Pancake Ethel Teare as Flossie Flapper
nope
Bud learned from Miss Thomas that Herman E. Calloway is actually his grandfather. She confirmed this after Bud showed her the flyer with Herman's picture on it.
they looked like news paper with his grandfathers picture on it.
KLM frequent flyer (Flying Blue) got 10 digits.